What is the definition of a "MTG cantrip," and how does it function within the context of Magic: The Gathering gameplay?

In Magic: The Gathering, a "MTG cantrip" refers to a card that allows a player to draw a card when it is played. This helps the player to cycle through their deck quickly and find more powerful cards to play. Cantrips are often used to maintain card advantage and improve the player's chances of winning the game.